XML 35 R28.htm IDEA: XBRL DOCUMENT
v3.25.2

Stock Option Plan and Stock-Based Compensation (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Summary of Common Stock Available for Issuance | The following table summarizes the activity in total shares of common stock available for issuance under the 2020 Plan:
|  | Shares Available for Grant |
Balance, January 1, 2025 |  |  | 397,654 |
Shares added |  |  | — |
Granted |  |  | (236,785 | )
Forfeited |  |  | 17,695 |
Balance, June 30, 2025 |  |  | 178,564 |
Summary of Effects of Stock-Based Compensation | The following table summarizes the effects of stock-b ased compensation on cost of sales, research and development, and sales, general and administrative expenses granted under the 2010 Equity Incentive Plan and 2020 Equity Incentive Plan (collectively, the Plans) (in thousands) for the three and six months ended June 30, 2025 and 2024:
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Cost of sales |  | $ | 40 |  |  | $ | 71 |  |  | $ | 100 |  |  | $ | 101 |
Research and development |  | $ | 330 |  |  |  | 873 |  |  |  | 719 |  |  |  | 1,148 |
Sales, general and administrative |  | $ | 395 |  |  |  | 694 |  |  |  | 797 |  |  |  | 940 |
Total |  | $ | 765 |  |  | $ | 1,638 |  |  | $ | 1,616 |  |  | $ | 2,189 |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration